公开(公告)号：US3659597A

公开(公告)日：1972-05-02

申请号：US3659597D

申请日：1969-12-09

Applicant: NAT RES DEV

Inventor： WOLFERS DAVID

IPC: A61F6/14 ,  A61F5/46

CPC classification number: A61F6/142

Abstract: An intra-uterine contraceptive device is provided to fit the parturient uterus and gradually accommodate the involutionary process in a predetermined manner. The device is contractable in self-tracking manner by longitudinally progressive sliding engagement of one end of an elongate flexible member in the other end thereof. More particularly such a device is formed by a suitably dimensioned tapered tube.

Abstract translation: 提供子宫内避孕装置以适应分娩子宫，并以预定的方式逐渐适应复杂的过程。 该装置可以通过在其另一端中的细长柔性构件的一端的纵向逐渐滑动接合而以自我跟踪方式收缩。 更具体地，这种装置由适当尺寸的锥形管形成。